public static TimerCaps QueryTimerResolution()
{
TimerCaps caps = new TimerCaps();
_ = NtQueryTimerResolution(out caps.PeriodMin, out caps.PeriodMax, out caps.PeriodCurrent);
return(caps);
}
public SystemPerformanceManagerForm(ModManagerForm form)
{
InitializeComponent();
modManager = form;
timer = new Timer()
{
Enabled = true,
Interval = 1000
};
timer.Tick += new EventHandler(TimerTick);
// Use the same icon as executable
Icon = Icon.ExtractAssociatedIcon(Application.ExecutablePath);
TimerCaps caps = WinApiCalls.QueryTimerResolution();
minimumTimerResolutionTextBox.Text = caps.PeriodMax / 10000.0 + " ms";
maximumTimerResolutionTextBox.Text = caps.PeriodMin / 10000.0 + " ms";
currentTimerResolutionTextBox.Text = caps.PeriodCurrent / 10000.0 + " ms";
if (caps.PeriodCurrent / 10000.0 < 0.8)
{
modManager.IsTimerResolutionLowered = true;
}
REG_DOW_PATH = modManager.CurrentDir + "\\" + modManager.CurrentGameEXE;
// We are checking for Compatibility settings in Registry
using (RegistryKey key = Registry.CurrentUser.OpenSubKey(REG_COMPATIBILITY_PATH, false))
{
if (key != null)
{
object valueObject = key.GetValue(REG_DOW_PATH);
if (valueObject != null)
{
string value = valueObject.ToString();
if (value.Contains(REG_VALUE_FULLSCREEN_OPTIMIZATIONS))
{
fullscreenOptimizationsCheckBox.Checked = true;
}
if (value.Contains(REG_VALUE_RUN_AS_ADMIN))
{
runAsAdministratorCheckBox.Checked = true;
}
if (value.Contains(REG_VALUE_HDPI_AWARE))
{
HDPIiScalingCheckBox.Checked = true;
}
if (value.Contains(REG_VALUE_COMPATIBILITY_WITH))
{
comatibilityModeCheckBox.Checked = true;
}
}
}
}
// We are checking for Power Settings in Registry
using (RegistryKey key = Registry.LocalMachine.OpenSubKey(REG_POWER_SCHEMES_PATH + "\\" + GUID_ULTIMATE_PERFORMANCE_2, false))
{
if (key != null)
{
powerPlanComboBox.Items.Add(NAME_ULTIMATE_PERFORMANCE);
unlockUltimatePerformanceButton.Enabled = false;
ultimatePerformanceGUIDIndex = 2;
}
}
using (RegistryKey key = Registry.LocalMachine.OpenSubKey(REG_POWER_SCHEMES_PATH + "\\" + GUID_ULTIMATE_PERFORMANCE, false))
{
if (key != null && ultimatePerformanceGUIDIndex == 0)
{
powerPlanComboBox.Items.Add(NAME_ULTIMATE_PERFORMANCE);
unlockUltimatePerformanceButton.Enabled = false;
ultimatePerformanceGUIDIndex = 1;
}
}
using (RegistryKey key = Registry.LocalMachine.OpenSubKey(REG_POWER_SCHEMES_PATH + "\\" + GUID_MAX_PERFORMANCE, false))
{
if (key != null)
{
powerPlanComboBox.Items.Add(NAME_MAX_PERFORMANCE);
}
}
using (RegistryKey key = Registry.LocalMachine.OpenSubKey(REG_POWER_SCHEMES_PATH + "\\" + GUID_BALANCED, false))
{
if (key != null)
{
powerPlanComboBox.Items.Add(NAME_BALANCED);
}
}
using (RegistryKey key = Registry.LocalMachine.OpenSubKey(REG_POWER_SCHEMES_PATH + "\\" + GUID_POWER_SAVER, false))
{
if (key != null)
{
powerPlanComboBox.Items.Add(NAME_POWER_SAVER);
}
}
using (RegistryKey key = Registry.LocalMachine.OpenSubKey(REG_POWER_SCHEMES_PATH, false))
{
if (key != null)
{
object valueObject = key.GetValue("ActivePowerScheme");
if (valueObject != null)
{
string value = valueObject.ToString();
switch (value)
{
case GUID_ULTIMATE_PERFORMANCE:
case GUID_ULTIMATE_PERFORMANCE_2:
powerPlanComboBox.SelectedItem = NAME_ULTIMATE_PERFORMANCE;
break;
case GUID_MAX_PERFORMANCE:
powerPlanComboBox.SelectedItem = NAME_MAX_PERFORMANCE;
break;
case GUID_BALANCED:
powerPlanComboBox.SelectedItem = NAME_BALANCED;
break;
case GUID_POWER_SAVER:
powerPlanComboBox.SelectedItem = NAME_POWER_SAVER;
break;
}
}
}
}
// We have to add those methods to the EventHandler here so we could avoid accidental firing of those methods after we would change the state of the CheckBox
runAsAdministratorCheckBox.CheckedChanged += new EventHandler(CheckBox_CheckedChanged);
HDPIiScalingCheckBox.CheckedChanged += new EventHandler(CheckBox_CheckedChanged);
comatibilityModeCheckBox.CheckedChanged += new EventHandler(CheckBox_CheckedChanged);
fullscreenOptimizationsCheckBox.CheckedChanged += new EventHandler(CheckBox_CheckedChanged);
powerPlanComboBox.SelectedIndexChanged += new EventHandler(PowerPlanComboBox_SelectedIndexChanged);
}
private void TimerTick(object sender, EventArgs e)
{
TimerCaps caps = WinApiCalls.QueryTimerResolution();
currentTimerResolutionTextBox.Text = caps.PeriodCurrent / 10000.0 + " ms";
}