Windows API Calls for Powerbuilder 5.0

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GetDC( )

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This function returns the device context of the targeted windows handle that it receives. The device context is required if you wish to perform any graphical function calls. There is no Powerbuilder equivalent.

Global External Function:
Function ulong GetDC(ulong hwnd) library "user32.dll"

Script:
ulong l_handle, l_device
l_handle = handle(w_main)
l_device = GetDC(l_handle)
MessageBox("Handle", string(l_device))

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