Declaration
Delphi (DLL)
function SetSimpleDialogDisplayOption(Option:Integer; WPARAM: integer ):integer;register;
C/C++ (DLL)
_stdcall int SOPAD_SetSimpleDialogDisplayOption(int Option, int WParam);
ActiveX
HRESULT _stdcall SetSimpleDialogDisplayOption([in] long Option, [in] long WParam, [out, retval] long* Result);
Description
with SetSimpleDialogDisplayOption you can clear, redraw or reorganize the Device simpleDialog display
Arguments
Option: DWORD
- Option=0 : clear display
- Option=1 : update display
- Option=2 : copy actual frame buffer in to the shadow buffer
- Option=3 : go to idle mode
WParam:DWORD
| option | wparam | description |
|---|
| 0 | - 0x1 clears the current framebuffer
- 0x2 clears the shadow framebuffer
- 0x3 clears both framebuffers
| |
| 1 | not used yet | |
| 2 | not used yet | |
| 3 | not used yet | |
Return value
SetSimpleDialogDisplayOption returns (SOPAD_ERROR_SUCCESS = 0) if it was possible to cache the settings.
Otherwise the function returns the appropriate error code. You can get extended error code with the help of GetSOPadError call.
Possible error codes are listed below: Driver error codes
Samples
// Upload Images to the Device (to shadow framebuffer, which means they not directly visible)
SigDev.SetSimpleDialogResourceImage("", RessourcePath + "background-payment.png", 0, 0, 0);
SigDev.SetSimpleDialogResourceImage("", RessourcePath + "checkbox.png", 90, 164, 0);
SigDev.SetSimpleDialogResourceImage("", RessourcePath + "button-big-accept.png", 600, 340, 0);
SigDev.SetSimpleDialogResourceImage("", RessourcePath + "button-big-cancel.png", 600, 400, 0);
// Draw a text into the shadow framebuffer
SigDev.SetSimpleDialogResourceFont('arial20.sof', '', 0);
SigDev.SetSimpleDialogResourceText(EditText.Text, 400, 280, EditText.Font.Color , IfThen(IsTextBgColorTransparent ,EditText.Font.Color, EditText.Color), 0);
// Update Screen (with all images which are loaded to shadow framebuffer)
int displayOptionStatus = SigDev.SetSimpleDialogDisplayOption(1, 0);
// Upload Images to the Device (to shadow framebuffer, which means they not directly visible)
SigDev.SetSimpleDialogResourceImage('', RessourcePath + 'background-payment.png', 0, 0, 0);
SigDev.SetSimpleDialogResourceImage('', RessourcePath + 'checkbox.png', 125, 205, 0);
SigDev.SetSimpleDialogResourceImage('', RessourcePath + 'button-accept.png', 750, 410, 0);
SigDev.SetSimpleDialogResourceImage('', RessourcePath + 'button-cancel.png', 750, 480, 0);
// Draw a text into the shadow framebuffer
SigDev.SetSimpleDialogResourceFont("arial16.sof", "", 0);
SigDev.SetSimpleDialogResourceText("Hello world!", 300, 200, int.Parse("00FF00FF", System.Globalization.NumberStyles.HexNumber), int.Parse("00FF00FF", System.Globalization.NumberStyles.HexNumber), 0);
// Update Screen (with all images which are loaded to shadow framebuffer)
SigDev.SetSimpleDialogDisplayOption(1, 0);
See also
SetSimpleDialogResourceImage
SetSimpleDialogResourceText
SetSimpleDialogResourceFont