Creating a Button Outside a Dialog Box

The following example shows how to use the CreateWindow function to create a default push button.

hwndButton = CreateWindow(

"BUTTON", // predefined class

"OK", // button text

WS_VISIBLE | WS_CHILD | BS_DEFPUSHBUTTON, // styles

// Size and position values are given explicitly, because

// the CW_USEDEFAULT constant gives zero values for buttons.

10, // starting x position

10, // starting y position

100, // button width

100, // button height

hwnd, // parent window

NULL, // No menu

(HINSTANCE) GetWindowLong(hwnd, GWL_HINSTANCE),

NULL); // pointer not needed

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