Features

	* One header file
	* Direct2D drawing
	* Alpha
	* HSL and RGB support
	* Can use the system dialog
	* Supports a picker

	COLORPICK cp;
	D2D1_COLOR_F red = {1.0f,0,0,1.0f};
	HRESULT hr = cp.Show(hParent,red);
	if (hr == S_OK)
	{
		// Color is set
	}

struct COLORPICKOPT
{
	bool Alpha = 1;
	int Mode = 1;
	bool Dlg = 1;
	bool LUpdate = 0;
	bool AlsoUseSystem = 1;
	bool UsePicker = 1;
	float Resolution = 0.1f;
};