HttpRequest Delphi DLL Reference Documentation

HttpRequest

Current Version: 9.5.0.73

Represents a complete HTTP request.

Create/Dispose

var
myObject: HCkHttpRequest;

begin
myObject := CkHttpRequest_Create();

// ...

CkHttpRequest_Dispose(myObject);
end;
function CkHttpRequest_Create: HCkHttpRequest; stdcall;

Creates an instance of the HCkHttpRequest object and returns a handle (i.e. a Pointer). The handle is passed in the 1st argument for the functions listed on this page.

procedure CkHttpRequest_Dispose(handle: HCkHttpRequest); stdcall;

Objects created by calling CkHttpRequest_Create must be freed by calling this method. A memory leak occurs if a handle is not disposed by calling this function.

Properties

Boundary
procedure CkHttpRequest_getBoundary(objHandle: HCkHttpRequest; outPropVal: HCkString); stdcall;
procedure CkHttpRequest_putBoundary(objHandle: HCkHttpRequest; newPropVal: PWideChar); stdcall;
function CkHttpRequest__boundary(objHandle: HCkHttpRequest): PWideChar; stdcall;
Introduced in version 9.5.0.49

Sets an explicit boundary string to be used in multipart/form-data requests. If no Boundary is set, then a boundary string is automaticaly generated as needed during the sending of a request.

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Charset
procedure CkHttpRequest_getCharset(objHandle: HCkHttpRequest; outPropVal: HCkString); stdcall;
procedure CkHttpRequest_putCharset(objHandle: HCkHttpRequest; newPropVal: PWideChar); stdcall;
function CkHttpRequest__charset(objHandle: HCkHttpRequest): PWideChar; stdcall;

Controls the character encoding used for HTTP request parameters for POST requests. The default value is the ANSI charset of the computer. The charset should match the charset expected by the form target.

The "charset" attribute is only included in the Content-Type header of the request if the SendCharset property is set to True.

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ContentType
procedure CkHttpRequest_getContentType(objHandle: HCkHttpRequest; outPropVal: HCkString); stdcall;
procedure CkHttpRequest_putContentType(objHandle: HCkHttpRequest; newPropVal: PWideChar); stdcall;
function CkHttpRequest__contentType(objHandle: HCkHttpRequest): PWideChar; stdcall;

The ContentType property sets the "Content-Type" header field, and identifies the content-type of the HTTP request body. Common values are:

application/x-www-form-urlencoded
multipart/form-data
application/json
application/xml
If ContentType is set equal to the empty string, then no Content-Type header is included in the HTTP request.

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DebugLogFilePath
procedure CkHttpRequest_getDebugLogFilePath(objHandle: HCkHttpRequest; outPropVal: HCkString); stdcall;
procedure CkHttpRequest_putDebugLogFilePath(objHandle: HCkHttpRequest; newPropVal: PWideChar); stdcall;
function CkHttpRequest__debugLogFilePath(objHandle: HCkHttpRequest): PWideChar; stdcall;

If set to a file path, causes each Chilkat method or property call to automatically append it's LastErrorText to the specified log file. The information is appended such that if a hang or crash occurs, it is possible to see the context in which the problem occurred, as well as a history of all Chilkat calls up to the point of the problem. The VerboseLogging property can be set to provide more detailed information.

This property is typically used for debugging the rare cases where a Chilkat method call hangs or generates an exception that halts program execution (i.e. crashes). A hang or crash should generally never happen. The typical causes of a hang are:

  1. a timeout related property was set to 0 to explicitly indicate that an infinite timeout is desired,
  2. the hang is actually a hang within an event callback (i.e. it is a hang within the application code), or
  3. there is an internal problem (bug) in the Chilkat code that causes the hang.

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EntireHeader
procedure CkHttpRequest_getEntireHeader(objHandle: HCkHttpRequest; outPropVal: HCkString); stdcall;
procedure CkHttpRequest_putEntireHeader(objHandle: HCkHttpRequest; newPropVal: PWideChar); stdcall;
function CkHttpRequest__entireHeader(objHandle: HCkHttpRequest): PWideChar; stdcall;

Composes and returns the entire MIME header of the HTTP request.

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HttpVerb
procedure CkHttpRequest_getHttpVerb(objHandle: HCkHttpRequest; outPropVal: HCkString); stdcall;
procedure CkHttpRequest_putHttpVerb(objHandle: HCkHttpRequest; newPropVal: PWideChar); stdcall;
function CkHttpRequest__httpVerb(objHandle: HCkHttpRequest): PWideChar; stdcall;

The HttpVerb property should be set to the name of the HTTP method that appears on the "start line" of an HTTP request, such as GET, POST, PUT, DELETE, etc. It is also possible to use the various WebDav verbs such as PROPFIND, PROPPATCH, MKCOL, COPY, MOVE, LOCK, UNLOCK, etc. In general, the HttpVerb may be set to anything, even custom verbs recognized by a custom server-side app.

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HttpVersion
procedure CkHttpRequest_getHttpVersion(objHandle: HCkHttpRequest; outPropVal: HCkString); stdcall;
procedure CkHttpRequest_putHttpVersion(objHandle: HCkHttpRequest; newPropVal: PWideChar); stdcall;
function CkHttpRequest__httpVersion(objHandle: HCkHttpRequest): PWideChar; stdcall;

The HTTP version in the request header. Defaults to "1.1".

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LastErrorHtml
procedure CkHttpRequest_getLastErrorHtml(objHandle: HCkHttpRequest; outPropVal: HCkString); stdcall;
function CkHttpRequest__lastErrorHtml(objHandle: HCkHttpRequest): PWideChar; stdcall;

Provides information in HTML format about the last method/property called. If a method call returns a value indicating failure, or behaves unexpectedly, examine this property to get more information.

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LastErrorText
procedure CkHttpRequest_getLastErrorText(objHandle: HCkHttpRequest; outPropVal: HCkString); stdcall;
function CkHttpRequest__lastErrorText(objHandle: HCkHttpRequest): PWideChar; stdcall;

Provides information in plain-text format about the last method/property called. If a method call returns a value indicating failure, or behaves unexpectedly, examine this property to get more information.

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LastErrorXml
procedure CkHttpRequest_getLastErrorXml(objHandle: HCkHttpRequest; outPropVal: HCkString); stdcall;
function CkHttpRequest__lastErrorXml(objHandle: HCkHttpRequest): PWideChar; stdcall;

Provides information in XML format about the last method/property called. If a method call returns a value indicating failure, or behaves unexpectedly, examine this property to get more information.

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LastMethodSuccess
function CkHttpRequest_getLastMethodSuccess(objHandle: HCkHttpRequest): wordbool; stdcall;
procedure CkHttpRequest_putLastMethodSuccess(objHandle: HCkHttpRequest; newPropVal: wordbool); stdcall;
Introduced in version 9.5.0.52

Indicate whether the last method call succeeded or failed. A value of True indicates success, a value of False indicates failure. This property is automatically set for method calls. It is not modified by property accesses. The property is automatically set to indicate success for the following types of method calls:

  • Any method that returns a string.
  • Any method returning a Chilkat object, binary bytes, or a date/time.
  • Any method returning a standard boolean status value where success = True and failure = False.
  • Any method returning an integer where failure is defined by a return value less than zero.

Note: Methods that do not fit the above requirements will always set this property equal to True. For example, a method that returns no value (such as a "void" in C++) will technically always succeed.

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NumHeaderFields
function CkHttpRequest_getNumHeaderFields(objHandle: HCkHttpRequest): Integer; stdcall;

Returns the number of request header fields.

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NumParams
function CkHttpRequest_getNumParams(objHandle: HCkHttpRequest): Integer; stdcall;

Returns the number of query parameters.

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Path
procedure CkHttpRequest_getPath(objHandle: HCkHttpRequest; outPropVal: HCkString); stdcall;
procedure CkHttpRequest_putPath(objHandle: HCkHttpRequest; newPropVal: PWideChar); stdcall;
function CkHttpRequest__path(objHandle: HCkHttpRequest): PWideChar; stdcall;

The path of the resource requested. A path of "/" indicates the default document for a domain.

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SendCharset
function CkHttpRequest_getSendCharset(objHandle: HCkHttpRequest): wordbool; stdcall;
procedure CkHttpRequest_putSendCharset(objHandle: HCkHttpRequest; newPropVal: wordbool); stdcall;

Controls whether the charset is explicitly included in the content-type header field of the HTTP POST request. The default value of this property is False.

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VerboseLogging
function CkHttpRequest_getVerboseLogging(objHandle: HCkHttpRequest): wordbool; stdcall;
procedure CkHttpRequest_putVerboseLogging(objHandle: HCkHttpRequest; newPropVal: wordbool); stdcall;

If set to True, then the contents of LastErrorText (or LastErrorXml, or LastErrorHtml) may contain more verbose information. The default value is False. Verbose logging should only be used for debugging. The potentially large quantity of logged information may adversely affect peformance.

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Version
procedure CkHttpRequest_getVersion(objHandle: HCkHttpRequest; outPropVal: HCkString); stdcall;
function CkHttpRequest__version(objHandle: HCkHttpRequest): PWideChar; stdcall;

Version of the component/library, such as "9.5.0.63"

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Methods

AddBytesForUpload
function CkHttpRequest_AddBytesForUpload(objHandle: HCkHttpRequest;
    name: PWideChar;
    remoteFileName: PWideChar;
    byteData: HCkByteData): wordbool; stdcall;

Adds a file to an upload request where the contents of the file come from an in-memory byte array. To create a file upload request, call UseUpload and then call AddBytesForUpload, AddStringForUpload, or AddFileForUpload for each file to be uploaded.

name is an arbitrary name. (In HTML, it is the form field name of the input tag.)
remoteFileName is the name of the file to be created on the HTTP server.
byteData contains the contents (bytes) to be uploaded.

Returns True for success, False for failure.

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AddBytesForUpload2
function CkHttpRequest_AddBytesForUpload2(objHandle: HCkHttpRequest;
    name: PWideChar;
    remoteFileName: PWideChar;
    byteData: HCkByteData;
    contentType: PWideChar): wordbool; stdcall;

Same as AddBytesForUpload, but allows the Content-Type header field to be directly specified. (Otherwise, the Content-Type header is automatically determined based on the remoteFileName's file extension.)

Returns True for success, False for failure.

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AddFileForUpload
function CkHttpRequest_AddFileForUpload(objHandle: HCkHttpRequest;
    name: PWideChar;
    filePath: PWideChar): wordbool; stdcall;

Adds a file to an upload request. To create a file upload request, call UseUpload and then call AddFileForUpload, AddBytesForUpload, or AddStringForUpload for each file to be uploaded. This method does not read the file into memory. When the upload occurs, the data is streamed directly from the file, thus allowing for very large files to be uploaded without consuming large amounts of memory.

name is an arbitrary name. (In HTML, it is the form field name of the input tag.)
filePath is the path to an existing file in the local filesystem.

Returns True for success, False for failure.

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AddFileForUpload2
function CkHttpRequest_AddFileForUpload2(objHandle: HCkHttpRequest;
    name: PWideChar;
    filePath: PWideChar;
    contentType: PWideChar): wordbool; stdcall;

Same as AddFileForUpload, but allows the Content-Type header field to be directly specified. (Otherwise, the Content-Type header is automatically determined based on the file extension.)

name is an arbitrary name. (In HTML, it is the form field name of the input tag.)
filePath is the path to an existing file in the local filesystem.

Returns True for success, False for failure.

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AddHeader
procedure CkHttpRequest_AddHeader(objHandle: HCkHttpRequest;
    name: PWideChar;
    value: PWideChar) stdcall;

Adds a request header to the HTTP request. If a header having the same field name is already present, this method replaces it.

Note: Never explicitly set the Content-Length header field. Chilkat will automatically compute the correct length and add the Content-Length header to all POST, PUT, or any other request where the Content-Length needs to be specified. (GET requests always have a 0 length body, and therefore never need a Content-Length header field.)

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AddMwsSignature
function CkHttpRequest_AddMwsSignature(objHandle: HCkHttpRequest;
    domain: PWideChar;
    mwsSecretKey: PWideChar): wordbool; stdcall;
Introduced in version 9.5.0.66

Computes the Amazon MWS signature using the mwsSecretKey and adds the "Signature" parameter to the request. This method should be called for all Amazon Marketplace Web Service (Amazon MWS) HTTP requests. It should be called after all request parameters have been added.

The domain should be the domain of the request, such as one of the following:

  • mws.amazonservices.com
  • mws-eu.amazonservices.com
  • mws.amazonservices.in
  • mws.amazonservices.com.cn
  • mws.amazonservices.jp

Note: This method automatically adds or replaces the existing Timestamp parameter to the current system date/time.

Returns True for success, False for failure.

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AddParam
procedure CkHttpRequest_AddParam(objHandle: HCkHttpRequest;
    name: PWideChar;
    value: PWideChar) stdcall;

Adds a request query parameter (name/value pair) to the HTTP request. The name and value strings passed to this method should not be URL encoded.

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AddStringForUpload
function CkHttpRequest_AddStringForUpload(objHandle: HCkHttpRequest;
    name: PWideChar;
    filename: PWideChar;
    strData: PWideChar;
    charset: PWideChar): wordbool; stdcall;

Same as AddFileForUpload, but the upload data comes from an in-memory string instead of a file.

Returns True for success, False for failure.

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AddStringForUpload2
function CkHttpRequest_AddStringForUpload2(objHandle: HCkHttpRequest;
    name: PWideChar;
    filename: PWideChar;
    strData: PWideChar;
    charset: PWideChar;
    contentType: PWideChar): wordbool; stdcall;

Same as AddStringForUpload, but allows the Content-Type header field to be directly specified. (Otherwise, the Content-Type header is automatically determined based on the filename's file extension.)

Returns True for success, False for failure.

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AddSubHeader
function CkHttpRequest_AddSubHeader(objHandle: HCkHttpRequest;
    index: Integer;
    name: PWideChar;
    value: PWideChar): wordbool; stdcall;
Introduced in version 9.5.0.55

Adds a request header to the Nth sub-header of the HTTP request. If a header having the same field name is already present, this method replaces it.

Returns True for success, False for failure.

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GenerateRequestFile
function CkHttpRequest_GenerateRequestFile(objHandle: HCkHttpRequest;
    path: PWideChar): wordbool; stdcall;
Introduced in version 9.5.0.64

The same as GenerateRequestText, except the generated request is written to the file specified by path.

Returns True for success, False for failure.

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GenerateRequestText
function CkHttpRequest_GenerateRequestText(objHandle: HCkHttpRequest;
    outStr: HCkString): wordbool; stdcall;
function CkHttpRequest__generateRequestText(objHandle: HCkHttpRequest): PWideChar; stdcall;

Returns the request text that would be sent if Http.SynchronousRequest was called.

Returns True for success, False for failure.

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GetHeaderField
function CkHttpRequest_GetHeaderField(objHandle: HCkHttpRequest;
    name: PWideChar;
    outStr: HCkString): wordbool; stdcall;
function CkHttpRequest__getHeaderField(objHandle: HCkHttpRequest;
    name: PWideChar): PWideChar; stdcall;

Returns the value of a request header field.

Returns True for success, False for failure.

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GetHeaderName
function CkHttpRequest_GetHeaderName(objHandle: HCkHttpRequest;
    index: Integer;
    outStr: HCkString): wordbool; stdcall;
function CkHttpRequest__getHeaderName(objHandle: HCkHttpRequest;
    index: Integer): PWideChar; stdcall;

Returns the Nth request header field name. Indexing begins at 0, and the number of request header fields is specified by the NumHeaderFields property.

Returns True for success, False for failure.

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GetHeaderValue
function CkHttpRequest_GetHeaderValue(objHandle: HCkHttpRequest;
    index: Integer;
    outStr: HCkString): wordbool; stdcall;
function CkHttpRequest__getHeaderValue(objHandle: HCkHttpRequest;
    index: Integer): PWideChar; stdcall;

Returns the Nth request header field value. Indexing begins at 0, and the number of request header fields is specified by the NumHeaderFields property.

Returns True for success, False for failure.

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GetParam
function CkHttpRequest_GetParam(objHandle: HCkHttpRequest;
    name: PWideChar;
    outStr: HCkString): wordbool; stdcall;
function CkHttpRequest__getParam(objHandle: HCkHttpRequest;
    name: PWideChar): PWideChar; stdcall;

Returns a request query parameter value by name.

Returns True for success, False for failure.

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GetParamName
function CkHttpRequest_GetParamName(objHandle: HCkHttpRequest;
    index: Integer;
    outStr: HCkString): wordbool; stdcall;
function CkHttpRequest__getParamName(objHandle: HCkHttpRequest;
    index: Integer): PWideChar; stdcall;

Returns the Nth request query parameter field name. Indexing begins at 0, and the number of request query parameter fields is specified by the NumParams property.

Returns True for success, False for failure.

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GetParamValue
function CkHttpRequest_GetParamValue(objHandle: HCkHttpRequest;
    index: Integer;
    outStr: HCkString): wordbool; stdcall;
function CkHttpRequest__getParamValue(objHandle: HCkHttpRequest;
    index: Integer): PWideChar; stdcall;

Returns the Nth request query parameter field value. Indexing begins at 0, and the number of request query parameter fields is specified by the NumParams property.

Returns True for success, False for failure.

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GetUrlEncodedParams
function CkHttpRequest_GetUrlEncodedParams(objHandle: HCkHttpRequest;
    outStr: HCkString): wordbool; stdcall;
function CkHttpRequest__getUrlEncodedParams(objHandle: HCkHttpRequest): PWideChar; stdcall;

Returns the request parameters in URL encoded form (i.e. in the exact form that would be sent if the ContentType property was application/x-www-form-urlencoded). For example, if a request has two params: param1="abc 123" and param2="abc-123", then GetUrlEncodedParams would return "abc+123

Returns True for success, False for failure.

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LoadBodyFromBd
function CkHttpRequest_LoadBodyFromBd(objHandle: HCkHttpRequest;
    requestBody: HCkBinData): wordbool; stdcall;
Introduced in version 9.5.0.67

Uses the contents of the requestBody as the HTTP request body.

Returns True for success, False for failure.

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LoadBodyFromBytes
function CkHttpRequest_LoadBodyFromBytes(objHandle: HCkHttpRequest;
    byteData: HCkByteData): wordbool; stdcall;

The HTTP protocol is such that all HTTP requests are MIME. For non-multipart requests, this method may be called to set the MIME body of the HTTP request to the exact contents of the byteData.
Note: A non-multipart HTTP request consists of (1) the HTTP start line, (2) MIME header fields, and (3) the MIME body. This method sets the MIME body.

Returns True for success, False for failure.

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LoadBodyFromFile
function CkHttpRequest_LoadBodyFromFile(objHandle: HCkHttpRequest;
    filePath: PWideChar): wordbool; stdcall;

The HTTP protocol is such that all HTTP requests are MIME. For non-multipart requests, this method may be called to set the MIME body of the HTTP request to the exact contents of filePath.
Note: A non-multipart HTTP request consists of (1) the HTTP start line, (2) MIME header fields, and (3) the MIME body. This method sets the MIME body.

Returns True for success, False for failure.

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LoadBodyFromSb
function CkHttpRequest_LoadBodyFromSb(objHandle: HCkHttpRequest;
    requestBody: HCkStringBuilder;
    charset: PWideChar): wordbool; stdcall;
Introduced in version 9.5.0.67

Uses the contents of the requestBody as the HTTP request body. The charset indicates the binary representation of the string, such as "utf-8", "utf-16", "iso-8859-*", "windows-125*", etc. Any of the character encodings supported at the link below are valid.

Returns True for success, False for failure.

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LoadBodyFromString
function CkHttpRequest_LoadBodyFromString(objHandle: HCkHttpRequest;
    bodyStr: PWideChar;
    charset: PWideChar): wordbool; stdcall;

The HTTP protocol is such that all HTTP requests are MIME. For non-multipart requests, this method may be called to set the MIME body of the HTTP request to the exact contents of bodyStr.
Note: A non-multipart HTTP request consists of (1) the HTTP start line, (2) MIME header fields, and (3) the MIME body. This method sets the MIME body.

charset indicates the charset, such as "utf-8" or "iso-8859-1", to be used. The HTTP body will contain the bodyStr converted to this character encoding.

Returns True for success, False for failure.

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RemoveAllParams
procedure CkHttpRequest_RemoveAllParams(objHandle: HCkHttpRequest) stdcall;

Removes all request parameters.

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RemoveHeader
function CkHttpRequest_RemoveHeader(objHandle: HCkHttpRequest;
    name: PWideChar): wordbool; stdcall;

Removes all occurrences of a HTTP request header field. Always returns True.

Returns True for success, False for failure.

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RemoveParam
procedure CkHttpRequest_RemoveParam(objHandle: HCkHttpRequest;
    name: PWideChar) stdcall;

Removes a single HTTP request parameter by name.

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SaveLastError
function CkHttpRequest_SaveLastError(objHandle: HCkHttpRequest;
    path: PWideChar): wordbool; stdcall;

Saves the last-error information (the contents of LastErrorXml) to an XML formatted file.

Returns True for success, False for failure.

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SetFromUrl
procedure CkHttpRequest_SetFromUrl(objHandle: HCkHttpRequest;
    url: PWideChar) stdcall;

Parses a URL and sets the Path and query parameters (NumParams, GetParam, GetParamName, GetParamValue).

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StreamBodyFromFile
function CkHttpRequest_StreamBodyFromFile(objHandle: HCkHttpRequest;
    filePath: PWideChar): wordbool; stdcall;

Useful for sending HTTP requests where the body is a very large file. For example, to send an XML HttpRequest containing a very large XML document, one would set the HttpVerb = "POST", the ContentType = "text/xml", and then call StreamBodyFromFile to indicate that the XML body of the request is to be streamed directly from a file. When the HTTP request is actually sent, the body is streamed directly from the file, and thus the file never needs to be loaded in its entirety in memory.

Returns True for success, False for failure.

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StreamChunkFromFile
function CkHttpRequest_StreamChunkFromFile(objHandle: HCkHttpRequest;
    path: PWideChar;
    offset: PWideChar;
    numBytes: PWideChar): wordbool; stdcall;
Introduced in version 9.5.0.55

This method is the same as StreamBodyFromFile, but allows for an offset and number of bytes to be specified. The offset and numBytes are integers passed as strings.

Returns True for success, False for failure.

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UseGet
procedure CkHttpRequest_UseGet(objHandle: HCkHttpRequest) stdcall;
This method is deprecated. It will be removed in a future version.

Makes the HttpRequest a GET request.

Important: This method is deprecated. An application should instead set the HttpVerb property equal to "GET", and the ContentType equal to an empty string (because GET requests have no request body).

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UseHead
procedure CkHttpRequest_UseHead(objHandle: HCkHttpRequest) stdcall;
This method is deprecated. It will be removed in a future version.

Makes the HttpRequest a HEAD request.

Important: This method is deprecated. An application should instead set the HttpVerb property equal to "HEAD", and the ContentType equal to an empty string (because HEAD requests have no body).

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UsePost
procedure CkHttpRequest_UsePost(objHandle: HCkHttpRequest) stdcall;
This method is deprecated. It will be removed in a future version.

Makes the HttpRequest a POST request that uses the "application/x-www-form-urlencoded" content type.

Important: This method is deprecated. An application should instead set the HttpVerb property equal to "POST", and the ContentType equal to "application/x-www-form-urlencoded".

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UsePostMultipartForm
procedure CkHttpRequest_UsePostMultipartForm(objHandle: HCkHttpRequest) stdcall;
This method is deprecated. It will be removed in a future version.

Makes the HttpRequest a POST request that uses the "multipart/form-data" content type.

Important: This method is deprecated. An application should instead set the HttpVerb property equal to "POST", and the ContentType equal to "multipart/form-data".

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UsePut
procedure CkHttpRequest_UsePut(objHandle: HCkHttpRequest) stdcall;
This method is deprecated. It will be removed in a future version.

Makes the HttpRequest a PUT request.

Important: This method is deprecated. An application should instead set the HttpVerb property equal to "PUT", and the ContentType equal to "application/x-www-form-urlencoded".

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UseUpload
procedure CkHttpRequest_UseUpload(objHandle: HCkHttpRequest) stdcall;
This method is deprecated. It will be removed in a future version.

Makes the HttpRequest a POST request that uses the "multipart/form-data" content type. To create a file upload request, call UseUpload and then call AddFileForUpload for each file to be uploaded.

Important: This method is deprecated. An application should instead set the HttpVerb property equal to "POST", and the ContentType equal to "multipart/form-data".

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UseUploadPut
procedure CkHttpRequest_UseUploadPut(objHandle: HCkHttpRequest) stdcall;
This method is deprecated. It will be removed in a future version.

Makes the HttpRequest a PUT request that uses the "multipart/form-data" content type. To create a file upload request (using the PUT verb), call UseUploadPut and then call AddFileForUpload for each file to be uploaded.

Important: This method is deprecated. An application should instead set the HttpVerb property equal to "PUT", and the ContentType equal to "multipart/form-data".

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UseXmlHttp
procedure CkHttpRequest_UseXmlHttp(objHandle: HCkHttpRequest;
    xmlBody: PWideChar) stdcall;
This method is deprecated. It will be removed in a future version.

Makes the HttpRequest a POST request using the "application/xml" content type. The request body is set to the XML string passed to this method.

Important: This method is deprecated. An application should instead set the HttpVerb property equal to "POST", the ContentType equal to "text/xml", and the request body should contain the XML document text.

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