IPBX_VisualObject interface:
CreateControl method
Description
Creates a window control and returns its handle to the PowerBuilder
VM.
Syntax
CreateControl(DWORD dwExStyle, LPCTSTR lpWindowName, DWORD dwStyle, int x, int y, int nWidth, int nHeight, HWND hWndParent, HINSTANCE hInstance)
Argument
|
Description
|
|---|
dwExStyle
|
The extended window style
|
lpWindowName
|
The window name
|
dwStyle
|
The window style
|
x
|
The horizontal position of the window
|
y
|
The vertical position of the window
|
nWidth
|
The window's width
|
nHeight
|
The window's height
|
hWndParent
|
The handle of the parent or owner window
|
hInstance
|
The handle of the application instance
|
Return Values
HWND.
Examples
This is part of a visual extension example:
LPCTSTR CVisualExt::GetWindowClassName()
{
return s_className;
}
HWND CVisualExt::CreateControl
(
DWORD dwExStyle, // extended window style
LPCTSTR lpWindowName, // window name
DWORD dwStyle, // window style
int x, // horizontal position of window
int y, // vertical position of window
int nWidth, // window width
int nHeight, // window height
HWND hWndParent, // handle to parent or owner window
HINSTANCE hInstance // handle to application instance
)
{
d_hwnd = CreateWindowEx(dwExStyle, s_className,
lpWindowName, dwStyle, x, y, nWidth, nHeight,
hWndParent, NULL, hInstance, NULL);
::SetWindowLong(d_hwnd, GWL_USERDATA, (LONG)this);
return d_hwnd;
}
Usage
The window must be registered before you call CreateControl.
See Also