This function retrieves the resolution from the screen or printer device context.
[C++Builder] BOOL
IKGetDpiFromHdc(HDC hDC, long *Xdpi, long *Ydpi);
[Delphi] function
IKGetDpiFromHdc(hDC: HDC; var Xdpi, Ydpi: Longint): LongBool;
Parameters
| Name | Explanation |
|---|---|
| hDC | The Device Context |
| Xdpi | The horizontal resolution value. (The number of pixels in one horizontal inch) |
| Ydpi | The vertical resolution value. (The number of pixels in one vertical inch) |
Return Value
Returns True if successful, returns False if not successful
Explanation
The IKGetDpiFromHdc method retrieves the resolution from the screen or printer device context. If successful, the horizontal and vertical resolution values are returned in the Xdpi and Ydpi parameters.