Question and Answer Database
FAQ2313C.txt How can I simulate a button click in code?
Category :Windows API
Platform :All
Product :C++Builder 3.x
Question:
How can I simulate a button click in code?
Answer:
Given a Window handle, you can send the equivalent mouse message to
simulate a click to any Windows control. You should be cautious not to
send too many Windows messages at a time to avoid overflowing the
message buffer.
Example:
void PressAButton(HWND h);
void TForm1::PressAButton(HWND h)
{
PostMessage(h, WM_LBUTTONDOWN, 0 ,0);
PostMessage(h, WM_LBUTTONUP, 0, 0);
}
void __fastcall TForm1::Button1Click(TObject *Sender)
{
PressAButton(Button2->Handle);
}
void __fastcall TForm1::Button2Click(TObject *Sender)
{
ShowMessage("CLICK");
}
7/2/98 10:32:32 AM
Last Modified: 01-SEP-99