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Added GET_X_LPARAM and GET_Y_LPARAM to Macros class and fixed HIWORD and LOWORD functions to use unchecked to not lose values.

pull/119/head
dahall 2020-04-07 07:55:22 -06:00
parent b375436c38
commit c6b9c3e5b6
1 changed files with 20 additions and 4 deletions
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24
PInvoke/Shared/WinUser/Macros.cs
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@ -5,6 +5,22 @@ namespace Vanara.PInvoke
/// <summary>Platform invokable enumerated types, constants and functions from windows.h</summary>
public static partial class Macros
{
/// <summary>Retrieves the signed x-coordinate from the specified <c>LPARAM</c> value.</summary>
/// <param name="lp">The value to be converted.</param>
/// <returns>The signed x-coordinate.</returns>
// https://docs.microsoft.com/en-us/windows/win32/api/windowsx/nf-windowsx-get_x_lparam
// void GET_X_LPARAM( lp );
[PInvokeData("windowsx.h")]
public static int GET_X_LPARAM(IntPtr lp) => unchecked((short)(long)lp);
/// <summary>Retrieves the signed y-coordinate from the given <c>LPARAM</c> value.</summary>
/// <param name="lp">The value to be converted.</param>
/// <returns>The signed y-coordinate.</returns>
// https://docs.microsoft.com/en-us/windows/win32/api/windowsx/nf-windowsx-get_y_lparam
// void GET_Y_LPARAM( lp );
[PInvokeData("windowsx.h")]
public static int GET_Y_LPARAM(IntPtr lp) => unchecked((short)((long)lp >> 16));
/// <summary>Retrieves the high-order byte from the given 16-bit value.</summary>
/// <param name="wValue">The value to be converted.</param>
/// <returns>The return value is the high-order byte of the specified value.</returns>
@ -18,12 +34,12 @@ namespace Vanara.PInvoke
/// <summary>Retrieves the high-order word from the specified 32-bit value.</summary>
/// <param name="dwValue">The value to be converted.</param>
/// <returns>The return value is the high-order word of the specified value.</returns>
public static ushort HIWORD(IntPtr dwValue) => HIWORD((uint)Convert.ToUInt64(dwValue.ToInt64()));
public static ushort HIWORD(IntPtr dwValue) => unchecked((ushort)((long)dwValue >> 16));
/// <summary>Retrieves the high-order word from the specified 32-bit value.</summary>
/// <param name="dwValue">The value to be converted.</param>
/// <returns>The return value is the high-order word of the specified value.</returns>
public static ushort HIWORD(UIntPtr dwValue) => HIWORD((uint)dwValue.ToUInt64());
public static ushort HIWORD(UIntPtr dwValue) => unchecked((ushort)((ulong)dwValue >> 16));
/// <summary>Determines whether a value is an integer identifier for a resource.</summary>
/// <param name="ptr">The pointer to be tested whether it contains an integer resource identifier.</param>
@ -44,12 +60,12 @@ namespace Vanara.PInvoke
/// <summary>Retrieves the low-order word from the specified 32-bit value.</summary>
/// <param name="dwValue">The value to be converted.</param>
/// <returns>The return value is the low-order word of the specified value.</returns>
public static ushort LOWORD(IntPtr dwValue) => LOWORD((uint)Convert.ToUInt64(dwValue.ToInt64()));
public static ushort LOWORD(IntPtr dwValue) => unchecked((ushort)(long)dwValue);
/// <summary>Retrieves the low-order word from the specified 32-bit value.</summary>
/// <param name="dwValue">The value to be converted.</param>
/// <returns>The return value is the low-order word of the specified value.</returns>
public static ushort LOWORD(UIntPtr dwValue) => LOWORD((uint)dwValue.ToUInt64());
public static ushort LOWORD(UIntPtr dwValue) => unchecked((ushort)(ulong)dwValue);
/// <summary>
/// Converts an integer value to a resource type compatible with the resource-management functions. This macro is used in place of a