This function loads raster image data from a PNG file.
[C++Builder/Visual
C++] HANDLE IKPngFileLoad(LPCTSTR
FileName, IKPROCESSPROC UserProc, LPCTSTR Caption, LPCTSTR Message,
LPCTSTR Button);
[Delphi] function
IKPngFileLoad(FileName: PChar; UserProc: LONG_PTR; Caption,
Message, Button: PChar): THandle;
[Visual Basic] Function
IKPngFileLoad(ByVal FileName As String, ByVal UserProc As Long,
ByVal Caption As String, ByVal Message As String, ByVal Button As
String) As Long
Parameters
| Name | Explanation |
|---|---|
| FileName | The name of the image file that is loaded into the memory |
| UserProc | The address of the user function (If not using the user function then set to 0) |
| Caption | Sets the text displayed in the title bar of the progress dialog box |
| Message | Sets the message displayed in the progress dialog box |
| Button | Sets the name of the button displayed in the progress dialog box |
Return Value
Returns the image handle of the raster image if successful. Returns 0 if unsuccessful.
Explanation
The IKPngFileLoad function loads raster image data from a PNG file. Supports 1, 4, 8, and 24 bit color.
If the user function is set or if the Caption, Message, and Button parameters are blank then the Progress dialog box is not displayed. If the Progress dialog box is displayed, it indicates the percentage of the current process completed. For more information about the user function please refer to the Definition of User Function in the Ik9File.dll, Ik9FileA.dll, Ik9File64.dll, Ik9File64A.dll section.