public DWORD ImageOffset; // Where in the file is this image?
/// <summary>
/// Converts the current TAFactory.IconPack.IconDirEntry into TAFactory.IconPack.GroupIconDirEntry.
/// </summary>
/// <param name="id">The resource identifier.</param>
/// <returns>TAFactory.IconPack.GroupIconDirEntry</returns>
public GroupIconDirEntry ToGroupIconDirEntry(int id)
{
GroupIconDirEntry grpEntry = new GroupIconDirEntry();
grpEntry.Width = this.Width;
grpEntry.Height = this.Height;
grpEntry.ColorCount = this.ColorCount;
grpEntry.Reserved = this.Reserved;
grpEntry.Planes = this.Planes;
grpEntry.BitCount = this.BitCount;
grpEntry.BytesInRes = this.BytesInRes;
grpEntry.ID = (short)id;
return grpEntry;
}
public DWORD ImageOffset; // Where in the file is this image?
/// <summary>
/// Converts the current TAFactory.IconPack.IconDirEntry into TAFactory.IconPack.GroupIconDirEntry.
/// </summary>
/// <param name="id">The resource identifier.</param>
/// <returns>TAFactory.IconPack.GroupIconDirEntry</returns>
public GroupIconDirEntry ToGroupIconDirEntry(int id)
{
GroupIconDirEntry grpEntry = new GroupIconDirEntry();
grpEntry.Width = this.Width;
grpEntry.Height = this.Height;
grpEntry.ColorCount = this.ColorCount;
grpEntry.Reserved = this.Reserved;
grpEntry.Planes = this.Planes;
grpEntry.BitCount = this.BitCount;
grpEntry.BytesInRes = this.BytesInRes;
grpEntry.ID = (short)id;
return(grpEntry);
}
/// <summary>
/// Gets a System.Drawing.Icon that represents RT_GROUP_ICON at the givin index from the executable module.
/// </summary>
/// <param name="index">The index of the RT_GROUP_ICON in the executable module.</param>
/// <returns>Returns System.Drawing.Icon.</returns>
private Icon GetIconFromLib(int index)
{
byte[] resourceData = GetResourceData(this.ModuleHandle, this.IconNamesList[index], ResourceTypes.RT_GROUP_ICON);
//Convert the resouce into an .ico file image.
using (MemoryStream inputStream = new MemoryStream(resourceData))
using (MemoryStream destStream = new MemoryStream())
{
//Read the GroupIconDir header.
GroupIconDir grpDir = Utility.ReadStructure <GroupIconDir>(inputStream);
int numEntries = grpDir.Count;
int iconImageOffset = IconInfo.SizeOfIconDir + numEntries * IconInfo.SizeOfIconDirEntry;
//Write the IconDir header.
Utility.WriteStructure <IconDir>(destStream, grpDir.ToIconDir());
for (int i = 0; i < numEntries; i++)
{
//Read the GroupIconDirEntry.
GroupIconDirEntry grpEntry = Utility.ReadStructure <GroupIconDirEntry>(inputStream);
//Write the IconDirEntry.
destStream.Seek(IconInfo.SizeOfIconDir + i * IconInfo.SizeOfIconDirEntry, SeekOrigin.Begin);
Utility.WriteStructure <IconDirEntry>(destStream, grpEntry.ToIconDirEntry(iconImageOffset));
//Get the icon image raw data and write it to the stream.
byte[] imgBuf = GetResourceData(this.ModuleHandle, grpEntry.ID, ResourceTypes.RT_ICON);
destStream.Seek(iconImageOffset, SeekOrigin.Begin);
destStream.Write(imgBuf, 0, imgBuf.Length);
//Append the iconImageOffset.
iconImageOffset += imgBuf.Length;
}
destStream.Seek(0, SeekOrigin.Begin);
return(new Icon(destStream));
}
}
